Commit | Line | Data |
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7db7d9f3 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
6b1aea8c | 2 | /* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
3 | * |
4 | * Marek Lindner, Simon Wunderlich | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of version 2 of the GNU General Public | |
8 | * License as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
ebf38fb7 | 16 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
c6c8fea2 SE |
17 | */ |
18 | ||
19 | #ifndef _NET_BATMAN_ADV_SEND_H_ | |
20 | #define _NET_BATMAN_ADV_SEND_H_ | |
21 | ||
1e2c2a4f SE |
22 | #include "main.h" |
23 | ||
24 | #include <linux/compiler.h> | |
9b4aec64 | 25 | #include <linux/spinlock.h> |
1e2c2a4f | 26 | #include <linux/types.h> |
fec149f5 | 27 | #include <uapi/linux/batadv_packet.h> |
1e2c2a4f | 28 | |
1e2c2a4f | 29 | struct sk_buff; |
1e2c2a4f | 30 | |
bd687fe4 SE |
31 | void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet, |
32 | bool dropped); | |
a65e5481 LL |
33 | struct batadv_forw_packet * |
34 | batadv_forw_packet_alloc(struct batadv_hard_iface *if_incoming, | |
35 | struct batadv_hard_iface *if_outgoing, | |
36 | atomic_t *queue_left, | |
99ba18ef LL |
37 | struct batadv_priv *bat_priv, |
38 | struct sk_buff *skb); | |
9b4aec64 LL |
39 | bool batadv_forw_packet_steal(struct batadv_forw_packet *packet, spinlock_t *l); |
40 | void batadv_forw_packet_ogmv1_queue(struct batadv_priv *bat_priv, | |
41 | struct batadv_forw_packet *forw_packet, | |
42 | unsigned long send_time); | |
e2d9ba43 | 43 | bool batadv_forw_packet_is_rebroadcast(struct batadv_forw_packet *forw_packet); |
a65e5481 | 44 | |
e91ecfc6 MH |
45 | int batadv_send_skb_to_orig(struct sk_buff *skb, |
46 | struct batadv_orig_node *orig_node, | |
47 | struct batadv_hard_iface *recv_if); | |
95d39278 AQ |
48 | int batadv_send_skb_packet(struct sk_buff *skb, |
49 | struct batadv_hard_iface *hard_iface, | |
50 | const u8 *dst_addr); | |
51 | int batadv_send_broadcast_skb(struct sk_buff *skb, | |
52 | struct batadv_hard_iface *hard_iface); | |
53 | int batadv_send_unicast_skb(struct sk_buff *skb, | |
54 | struct batadv_neigh_node *neigh_node); | |
56303d34 | 55 | int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, |
9455e34c | 56 | const struct sk_buff *skb, |
3111beed LL |
57 | unsigned long delay, |
58 | bool own_packet); | |
56303d34 SE |
59 | void |
60 | batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, | |
61 | const struct batadv_hard_iface *hard_iface); | |
f097e25d MH |
62 | bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, |
63 | struct sk_buff *skb, | |
64 | struct batadv_orig_node *orig_node, | |
65 | int packet_subtype); | |
1d8ab8d3 LL |
66 | int batadv_send_skb_unicast(struct batadv_priv *bat_priv, |
67 | struct sk_buff *skb, int packet_type, | |
68 | int packet_subtype, | |
69 | struct batadv_orig_node *orig_node, | |
70 | unsigned short vid); | |
e300d314 LL |
71 | int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, |
72 | struct sk_buff *skb, int packet_type, | |
6b5e971a | 73 | int packet_subtype, u8 *dst_hint, |
6c413b1c | 74 | unsigned short vid); |
e300d314 LL |
75 | int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, |
76 | unsigned short vid); | |
f097e25d MH |
77 | |
78 | /** | |
7e9a8c2c | 79 | * batadv_send_skb_via_tt() - send an skb via TT lookup |
f097e25d MH |
80 | * @bat_priv: the bat priv with all the soft interface information |
81 | * @skb: the payload to send | |
c5d3a652 | 82 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 83 | * @vid: the vid to be used to search the translation table |
f097e25d | 84 | * |
e300d314 LL |
85 | * Look up the recipient node for the destination address in the ethernet |
86 | * header via the translation table. Wrap the given skb into a batman-adv | |
87 | * unicast header. Then send this frame to the according destination node. | |
88 | * | |
62fe710f | 89 | * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
f097e25d | 90 | */ |
e300d314 | 91 | static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, |
6b5e971a | 92 | struct sk_buff *skb, u8 *dst_hint, |
e300d314 | 93 | unsigned short vid) |
f097e25d | 94 | { |
e300d314 | 95 | return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, |
6c413b1c | 96 | dst_hint, vid); |
f097e25d MH |
97 | } |
98 | ||
99 | /** | |
7e9a8c2c | 100 | * batadv_send_skb_via_tt_4addr() - send an skb via TT lookup |
f097e25d MH |
101 | * @bat_priv: the bat priv with all the soft interface information |
102 | * @skb: the payload to send | |
103 | * @packet_subtype: the unicast 4addr packet subtype to use | |
c5d3a652 | 104 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 105 | * @vid: the vid to be used to search the translation table |
f097e25d | 106 | * |
e300d314 LL |
107 | * Look up the recipient node for the destination address in the ethernet |
108 | * header via the translation table. Wrap the given skb into a batman-adv | |
109 | * unicast-4addr header. Then send this frame to the according destination | |
110 | * node. | |
111 | * | |
62fe710f | 112 | * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
f097e25d | 113 | */ |
e300d314 LL |
114 | static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, |
115 | struct sk_buff *skb, | |
116 | int packet_subtype, | |
6b5e971a | 117 | u8 *dst_hint, |
e300d314 | 118 | unsigned short vid) |
f097e25d | 119 | { |
e300d314 LL |
120 | return batadv_send_skb_via_tt_generic(bat_priv, skb, |
121 | BATADV_UNICAST_4ADDR, | |
6c413b1c | 122 | packet_subtype, dst_hint, vid); |
f097e25d | 123 | } |
c6c8fea2 SE |
124 | |
125 | #endif /* _NET_BATMAN_ADV_SEND_H_ */ |